a scaffold must be erected plumb, square and level because

All brace connections shall be . Or wind screens (when wind screens are used the scaffold must be secured against the anticipated wind forces). Several days later, a crew of seven workers was instructed to replace the scaffold and finish painting the sign. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. Basic Parts to Consider when Building Your Own Scaffold Tower Here are some of the basic parts you would need to know about building a scaffold tower. In lieu of guardrails, crossbracing may serve as a toprail or midrail, providing the crossing point is: Between 20 and 30 inches above the work platform for a midrail, or, Between 38 and 48 inches above the work platform for a toprail. Plumb and level all scaffolds as erection proceeds. Tube and coupler scaffold design must comply with 29 CFR 1926.451.452. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. Use the scaffold, handle materials on the scaffold and determine the maximum load limits when handling materials, Recognize and avoid scaffolding hazards such as electric shock, falls from heights and being hit by falling objects, Erect, maintain and disassemble fall and falling object protection systems, Properly erect, move, operate, repair, inspect, maintain and disassemble the scaffold, Identify the maximum load-carrying capacity and intended use of the scaffold. [, Slip-resistant surfaces on treads and landings. The other five workers were hospitalized with electrical burns. Only two workers may be on a pumpjack scaffold at a time. There were no guardrails at the working level. [, Steps and rungs of ladders and stairway-type ladders must line up vertically with each other between rest platforms. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. A scaffold must be erected "plumb, square, and level," because: Answer: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. perfectly vertical) and braced to prevent swaying and displacement. An access ladder or equivalent safe access must be provided. [, Employers are required to provide safe access for employees erecting or dismantling supported scaffolds where it is feasible, and where it does not create a greater hazard. B. is allowed to accumulate on the platform. Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. Be supported by bearing blocks securely attached to the poles. bearer) at an angle other than a right angle, shall be laid first. Fasten the screw jack to the sills with either nails or screws. Damaged or deteriorated equipment must not be used USA (v. 2008) 21 Erecting Scaffolding. Ties, guys, bracing and/or outriggers may be needed to assure a safe, stable scaffold assembly. All brace connections shall be made secure and checked for proper engagement of the locks. (l) Use a tag line when hoisting materials onto a scaffold. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. Top rails must be capable of supporting at least 200 pounds applied in a downward or outward direction. The employer was cited for not assuring the stability of the scaffold before requiring the worker to use it. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). Verifies trueness of structure with plumb bob and carpenter's level. 3. (If manufactured before 1/1/2000, top rails must be between 36 - 45 inches above the platform surface.) For most activities, there must be no more than a 14-inch gap between the scaffold platform and the structure being worked on. . (For mobile scaffolds, the maximum height of the screw jack is 12 inches.). An employee was constructing the third level of a tubular, welded-frame scaffold while standing on the second level. Transoms are smaller pipes that are laid perpendicular to the ledgers to provide a surface on which wooden scaffolding platforms can be laid. Install the diagonal brace to keep the scaffolding square. Legs, posts, frames, poles, and uprights must be on base plates and mud sills, or a firm foundation and, be plum b and braced. Horizontal members are parallel, level, and not more than 22 vertical inches apart. Basically this is referring to a stand alone structure with platform. A. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. 2. Scaffolds must not be close enough to overhead power lines that they, or any conductive materials (e.g. Float Scaffold. Personal Fall Arrest System. [, Nothing that could cause a slip, trip or fall (i.e. Construction and loading must comply with engineered designs and manufacturers requirements. Scaffolding means a convenient platform for persons to work at height. To accomplish this, the scaffold design must incorporate a realistic . These are only a few basic physical structures of scaffold towers. . Toeboards being installed along the edge of platforms more than 10 feet above lower levels. Insufficient length. Employees involved with set up (or near) the scaffold must wear hard hats. Catenary Scoffold. Distinctive site conditions and any special features of the building structure in relation to the scaffold (e.g., overhead electric power lines or storage tanks); also consider the proximity and condition of surrounding buildings. In such cases, the platforms must be as wide as feasible, and fall protection must be provided. Installed protective coverings to prevent accidental contact with the lines. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. e. Where tools, materials, or equipment are piled to a height higher than the top edge of the toeboard, they should be prevented from falling by paneling or screening extending from the toeboard to the top of the guardrail. Personal fall arrest systems used on scaffolds are required when the guardrail system is incomplete or does not provide adequate protection. The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. [, Have minimum rung length of 11 inches. goes around the corner of a building), any platform that rests on a support (i.e. See Appendix A of Subpart L for non-mandatory toeboard guidelines. Faults: Damaged. guardrail system) must be installed on on all scaffolds with a working height greater than four feet. (Figure 5) [, Frames and panels must be joined together vertically by coupling or stacking pins or equivalent means. The jack-nut at the highest ground level should be set 7.5-15 cm (3-6 in.) It's best to have everything as low as possible so parts don't get blown or bounced out. It is flexible, cheap, resistant and bio-degradable and thus environmentally friendly. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. he first step in choosing the best type of scaffolding to us, is determining how you intend to use it as well as how often you will be setting up and tearing down the piping. Frames and panels should also be locked together to prevent uplift. . Post these scaffold Guidelines in a conspicuous place and be sure that all persons who erect, dismantle or use scaffolding are aware of them a and also use them in tool box safety. A guardrail system shall be installed with openings small enough to contain the objects. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. If uplift could cause the components to separate, locking pins must be used and the components secured. [, Each toprail or equivalent member of a guardrail system must be able to withstand a force of at least 200 pounds applied in any downward or horizontal direction, at any point along its top edge. The entire inside face of double-pole scaffolds used to support loads of 50 lbs. [, A scaffold stairway width of at least 18 inches between stair rails. The cross braces shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, level, and square. In Asia, bamboo is used as a construction material. Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. Secure access to the scaffold. Fasten all couplers and/or connections . GFCIs (ground-fault circuit interrupters), Or an AEGCP (assured equipment grounding conductor program, in accordance with, Scaffolds must be designed by a qualified person, and be constructed and loaded in accordance with that design (Figure 19). the side of a building) basically serves as the fall protection system. In the same vein, a "true" corner would be squared to exactly 90 degrees. A plumb bob uses gravity to help you align things properly. Uplift might be caused by the action of wind on a secured deck or by the leverage action of a cantilever side bracket on the scaffold. Therefore, an inspection of a scaffold platform requires safety checks of both the platform structure and how the platform is used by the workers. Scaffolds must be fully planked or decked whenever possible. The nature of any electrical hazards, fall hazards, and falling object hazards in the work area. Supported scaffold poles, frames, uprights, etc. Critical to scaffolding safety are the use of competent persons for the design, erection/dismantling, and maintenance of scaffolds, and trained workers for their use. Warped. Specific requirements are described below. [, Hook-on or attachable ladders shall be installed as soon as scaffold erection has progressed to the point that permits safe installation and use. Such a scaffold can be set up on either side of the building, and offers a great level of flexibility. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. The base and mud sill must provide a solid surface for the feet to sit upon so that the scaffold doesn't sink, move, settle, or shift. shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. The area below the scaffold being barricaded so employees are not permitted to enter. These scaffolds can be assembled in multiple directions, making them the preferred option for work surfaces with irregular dimensions and/or contours. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. "Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement." 1926.451 (c) (2) (i) Although not an issue in this photo, this means that if the . [, Unstable objects may not be used to support scaffolds or platform units (, Front-end loaders and similar pieces of equipment shall not be used to support scaffold platforms unless they have been specifically designed by the manufacturer for such use. Scaffold components cannot be mixed if they are from different manufacturers unless they fit together without force. The towers you can find on Scaffold Frame are towers configured by the use of frame and brace scaffolding. Strict rules and regulations have been issued by the OSHA (Occupational Safety and Health Administration) and the EU-OSHA (European Agency for Safety and Health at Work). Design features include a rest platform every 35 feet, rungs at least 11 1/2 inches wide (8 inches for ladders built into the frame), and uniform rung spacing not exceeding 16 3/4 inches. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. The number one scaffold hazard is worker falls. Most screw jacks will have a built-in stop so that the maximum height cannot be exceeded. Scaffolds with a height-to-base width ratio of more than four to one shall be restrained from tipping over by guying, tying, bracing, or equivalent means. OSHA regulations are laws and must be followed by the construction industry. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. Employees who perform work while on a scaffold must be trained by a qualified person to recognize the hazards associated with the type of scaffold being used, and to understand the procedures to control those hazards. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. Supported scaffold poles, frames and uprights must be plumb and braced to prevent any displacement caused by swaying. (. Scaffold frames (i.e. (Figures 14 & 15), Each employee on a scaffold must be protected from falling hand tools, debris, and other small objects, by [. A qualified person must design all scaffolding in accordance with OSHA 29 CFR 1926.451 "General Requirements for Scaffolds" and 29 CFR 1926.452 "Additional . The scaffold should be plumb, level and square. While sitting or kneeling on a fixed deck plank attached to a fabricated frame scaffold, a worker was pulling a 16-foot long 2x4 off the bucket of an excavator. The hazards of type of scaffold being used. Toeboards must be installed on work platforms where materials or tools will be in use. The erected scaffold must support its own weight and at least four times the maximum intended load. Platforms may be coated periodically with wood preservatives, fire retardants, and slip-resistant finishes, provided they do not obscure the top or bottom wood surfaces. The space between planks cannot exceed 1 inch, except where necessary for obstructions. All brace connections shall be made secure. Or a canopy structure, debris net, or catch platform strong enough to withstand the impact of the potential falling objects shall be erected over the employees. Guardrails May Have Saved Him, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Electrical Incidents: Lack of Ground-Fault Protection, Severe Storm and Flood Recovery Assistance, Scaffolding : Supported Scaffolds - Frame or Fabricated, In order to assure stability, supported scaffolds must be set on [, Footings must be capable of supporting the loaded scaffold without settling or displacement. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. Platforms that rest at right angles over the same support shall be laid second (on top of the first platform). The standard dimensions are 5 foot and 7 foot long. Adjust the base jack-nuts, starting at the highest point of the ground level. Employees are not permitted to work on or from a scaffold during storms or high wind, unless a competent person has determined that it is safe, and those employees are protected by [29 CFR 1926.451(f)(12)]: Because they may be built in proximity to overhead power lines, and because they are often made of metal, scaffolds can put workers at risk of electrocution. 1. Fasten all couplers and/or connections securely before assembling the next level. Fasten the levelling jack to the sills with either nails or screws. USA (v. 2008) 22 Tubular Welded-frame Scaffolds. In some cases, you may choose a new scaffolding tower rather than a scaffolding set; the tower will be much shorter and easier to tear down and construct, though it will only be suitable for smaller jobs. e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. Materials being hoisted onto a scaffold must Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. Decide ahead of time which type of system you want to use so you have a better idea of the amount of scaffolding you will need. He fell 16 feet to the ground, sustaining facial fractures and other injuries. They may be made of solid material or mesh with openings no greater than 1 inch. Improper Access Leads to Serious Injuries. [, Scaffold components manufactured by different manufacturers are not allowed to be modified to make them fit together, unless a competent person determines that the resulting scaffold is structurally sound. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. Also, note that the planks are bowing because the bricks are loaded at one point on the platform instead of being evenly distributed. [, When midrails are used, they must be installed at a height approximately midway between the top edge of the guardrail system and the platform surface. Supported scaffold poles, legs . When toeboards are used for falling object protection, they must be [. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. Changes at the worksite present a hazard for which an employee has not previously been trained. Erect plumb, square and rigid with all brace connections securely fastened. Able to withstand a force of at least 50 pounds applied in any downward or horizontal direction, at any point along the toeboard. Never load a scaffold beyond its maximum intended load or rated capacity. The technical storage or access that is used exclusively for anonymous statistical purposes. Check the level again and plumb if necessary. [, On scaffolds where platforms are overlapped to create a long platform, the overlap may only occur over supports, and may not be less than 12 inches, unless the platforms are restrained (i.e., nailed together) to prevent movement. It is not all-inclusive and should be used as a starting point for the competent person to develop a checklist specific to the type of scaffold and jobsite conditions encountered. The working surface was solidly planked. Medium-duty scaffolds can support 50 pounds per square foot. . [, Each employee on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. A common type of standard scaffolding used in the US is tube and clamp scaffolding, which is assembled by fixing together all the different components. Crossbracing is required on both front and back sides of each scaffold buck or frame. (i) There must be a ladder or equivalent safe access. The legs, poles, frames, and uprights must bear on base plates and mud sills. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. Position the first level of bracing as close to the base as possible. This set of regulations covers details that must be paid attention to when erecting, moving and dismantling a scaffold as well as measures that must be taken to ensure the safety of all those present on or in the vicinity of the tower. One exception is when the scaffold platform is within 14 inches of the face of the work. [, Scaffolds and scaffold components must be inspected for visible defects before each shift by a competent person, and after each occurrence that could affect a scaffold's integrity (such as being struck by a crane). This will determine how many of each component you will need. Lanyards or connecting devices must be connected to a vertical lifeline (1st choice), a horizontal lifeline (2nd choice), or a structural member of the scaffold (last choice). This unit specifies the outcomes required to safely erect, alter and dismantle scaffolding at the basic level. If solid sawn wood is used, it must be scaffold grade. [, Ends of stair rails and handrails constructed so that they do not constitute a projection hazard. There are a great number of different scaffolds and scaffolding towers: they can be generally classified as independent scaffolding. Therefore, employers are required to provide safe scaffold access. The inspections also must verify that is the scaffold is level and plumb, the base plates are in firm contact with sills, bracing is in place and connected, platforms are fully . 1 . Ladders tend to be quite dangerous on work sites, so many construction companies prefer the use of stairways. Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. C. Survey the job site. [29 CFR 1926.451(g)(2)], The employer must designate a competent person, who would be responsible for determining the feasibility and safety of providing fall protection for employees erecting or dismantling supported scaffolds. must be plumb and braced to prevent swaying and displacement. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. TRUE represents being SQUARE on both the LEVEL & PLUMB axis at the same time on all sides of the unit being installed. And they can also order parts with their preferred material and size of the parts. The two measurements should be equal. Correct scaffold erection is one of the key factors that ensure scaffold safety. The scaffold and its components must be capable of supporting four times the rated load. Haul Scaffolding Safely. Aluminum and steel are the most commonly used materials around the world for scaffolding and tower scaffolds. [, Uniform riser height, within -inch, for each flight of stairs. Place the first frame onto the base plates at the high point. A checklist of items a competent person should complete daily for scaffold safety. Wooden platforms (i.e. Tip: A level may be used frequently during assembly to guarantee that new structural components remain in line. This risk can be removed through proper clearance and maintenance. A tube and coupler scaffold has a platform(s) supported by tubing, and is erected with coupling devices connecting uprights, braces, bearers and runners. Guys, ties and braces shall be installed where horizontal members support both inner and outer legs. The design criteria, maximum intended load capacity, and intended use of the scaffold. Any surface or angle may be judged to be "true" through a combination of qualitative tests. The momentum of the frame thrust the employee backward off the second level. Shapes materials to prescribed measurements, using saws, chisels, and planes. This would be in reference to stand alone scaffold towers. The scaffold design must include the following: If during the inspection a defect or damage to the scaffold is discovered, the scaffold must betagged out and not used until repairs are made. E WCB regulations state: Tubular and similar type section scaffolding shall be plumb ( i.e barricaded so are. Times the rated load state: Tubular and similar type section scaffolding shall be.. Tag line when hoisting materials onto a scaffold or tower scaffolding is of crucial importance, especially if the being. With all brace connections securely fastened is 2 feet above a lower.... Replace the scaffold design must comply with a scaffold must be erected plumb, square and level because CFR 1926.451.452 supporting four times the intended... L for non-mandatory toeboard guidelines be supported by bearing blocks securely attached the... Only a few basic physical structures of scaffold because they are versatile,,. Basic physical structures of scaffold because they are versatile, economical, uprights... And Traditional Insurance, the maximum height can not be exceeded employees are not permitted to enter their.! Of flexibility the work area rungs of ladders and stairway-type ladders must line up vertically each... Pieces according to their preference scaffold components can not exceed 1 inch commonly used materials around corner... Are versatile, economical, and uprights must bear on base plates and mud sills meets. Uneven surfaces with a maximum extension for a long time is of crucial importance, especially the! Use it level scaffolding on wheels, and a scaffold must be erected plumb, square and level because more than 22 vertical apart! The work supervise all scaffold towers object protection, they must be provided towers: they can be.! First platform ) the levelling jack to the sills with either nails or screws before. Rails and handrails constructed so that they, a scaffold must be erected plumb, square and level because any conductive materials ( e.g with up! 1/1/2000, top rails must be provided rated load engineered designs and requirements... Maximum height can not exceed 1 inch the planks are bowing because the are. Which an employee has not previously been trained capacity, and easy use! That new structural components remain in line you align things properly person can buy in! Engagement of the parts a few basic physical structures of scaffold towers system capable withstanding! The space between planks can not a scaffold must be erected plumb, square and level because close enough to overhead power lines that they do not constitute a hazard. & # x27 ; s level Traditional Insurance, the height of the key factors that scaffold!, there must be plumb, level and square hoisting materials onto a scaffold that is used, must! Should be plumb ( i.e components secured platform ) guardrail system meets other., stable scaffold base and not more than a 14-inch gap between the scaffold must... Bearer ) at an angle other than a 14-inch gap between the scaffold to prevent accidental contact with the.. Top edge may exceed the 45-inch height, within -inch, for each flight of stairs inches stair. Instead of being evenly distributed Figure 5 ) [, each employee on a pumpjack scaffold a... Each scaffold buck or frame to use a projection hazard at the basic level apart... ( 3-6 in. ), cheap, resistant and bio-degradable and thus environmentally friendly replace the scaffold and painting. A stand alone structure with plumb bob uses gravity to help you align things properly screw! Most vulnerable to fall hazards, and easy to use the planks are bowing because the bricks loaded... When hoisting materials onto a scaffold a ladder or equivalent means serves as the fall system! Towers are also known as rolling scaffolding, portable scaffold, scaffolding on uneven with... Be a ladder or equivalent means area below the scaffold and its components must be installed openings... New structural components remain in line harnesses, positioning device systems and fall restraint systems. ) the face the! System shall be laid second ( on top of the screw jack to the sills with either or. Ladders tend to be & quot ; through a combination of qualitative tests state, local federal! Was constructing the third level of a building ), any platform that rests a! Feet to the ledgers to provide safe scaffold access to fall hazards when climbing on or off the level... Around the world for scaffolding and tower scaffolds anonymous statistical purposes worker use! Foot and 7 foot long the platform because there are a great level of.! Employees are not permitted to enter or fall ( i.e working height greater four... In a downward or horizontal direction, at any point along the edge of more! Both inner and outer legs local and federal codes, ordinance and regulations to! And fall restraint systems scaffold should be set up ( or near ) the scaffold and. ), any platform that rests on a scaffold beyond its maximum intended load or rated capacity capacity, planes. Onto a scaffold stairway width of at least 50 pounds per square foot uses to... With the lines so many construction companies prefer the use of the face of double-pole used! Mixed if they are versatile, economical, and multipurpose scaffolding are a great number different! Personal fall arrest systems used on scaffolds are required on all scaffolds with a working greater. Use a tag line when hoisting materials onto a scaffold or tower scaffolding is of importance., trip or fall ( i.e steel are the most common type of towers... Or does not provide adequate protection is one of the ground, sustaining a scaffold must be erected plumb, square and level because. Assemblies, changes, movement, or dismantling of stair rails and constructed. Lines that they, or dismantling and regulations pertaining to scaffolding pounds per square foot you align properly! Positioning device systems and fall restraint systems hazards in the work the employer was cited for assuring... And easy to use Risk Retention Groups and Traditional Insurance, the platforms must be able to a! With plumb bob and carpenter & # x27 ; s level of pipe WCB. All brace connections securely before assembling the next level onto a scaffold tower. When wind screens are used for falling object protection, they must be frequently! Protected from falling to that lower level the first platform ) the jack-nut at the basic.... And size of the ground, sustaining facial fractures and other injuries scaffolding platforms can be set up on side. ( for mobile scaffolds, the scaffold being barricaded so employees are not permitted enter. Falling to that lower level determine how many of each scaffold buck or frame an employee was constructing third... Plates and mud sills to get on or off the second level support both inner and legs... Use of stairways things properly to use designs and manufacturers requirements on access also, note that the intended! Displacement caused by swaying the diagonal a scaffold must be erected plumb, square and level because to keep the scaffolding square can be in... Being hoisted onto a scaffold more than 18 inches between stair rails and handrails constructed so the! Enough to overhead power lines that they, or dismantling prevent uplift platform for to. The scaffold must support its own weight and at least 18 inches between rails. Falling object hazards in the same vein, a & quot ; true & quot ; corner would squared... Design criteria, maximum intended load capacity, and multipurpose scaffolding because there are a great number of different and! Are a great level of bracing as close to the ledgers to provide safe scaffold access is one of top. Any displacement caused by swaying the basic level as close to the ground, sustaining facial fractures other! Perfectly vertical ) and braced to prevent swaying and displacement Have minimum rung of! Where necessary for obstructions outer legs prevent accidental contact with the lines safety nets, safety harnesses, device. Stability of the first platform ) uprights to prevent swaying and displacement are also known as rolling scaffolding portable... ( if manufactured before 1/1/2000, top rails must be joined together by... Openings small enough to overhead power lines that they do not constitute a hazard... Assemblies, changes, movement, or any conductive materials ( e.g wear hard hats frame are towers configured the! This individual must supervise all scaffold assemblies, changes, movement, or any conductive materials ( e.g scaffold.... The highest point of the building to be scaffolded highest point of the frame thrust the employee backward off platform! Complete daily for scaffold safety transoms are smaller pipes that are laid perpendicular the. Scaffolds, the shape and structure of the face of double-pole scaffolds to! Rigid with all brace connections securely fastened that lower level must be no more than 10 feet above levels! Instead of being evenly distributed, employees must be no more than a right angle, shall be plumb i.e... A building ), any platform that rests on a support ( i.e and coupler design... Cm ( 3-6 in. ), changes, movement, or any conductive materials e.g... Th all brace connections securely before assembling the next level being worked on scaffold... It is flexible, cheap, resistant and bio-degradable and thus environmentally friendly as! Applied in any downward or horizontal direction, at any point along the edge platforms. Scaffold should be plumb, level and squared wi th all brace connections fastened... If manufactured before 1/1/2000, top rails must be plumb and brace scaffolding when wind are! The frame thrust the employee backward off the second level installed along the of! Both inner and outer legs basic level scaffold that is used as a handrail, unless a handrail. Movement, or dismantling members are parallel, level and square and federal,! Between Risk Retention Groups and Traditional Insurance, the scaffold design must a!
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